Heating, Air-conditioning & Refrigeration Distributors International (HARDI) is an organization designed to support and serve the HVACR distribution industry. HARDI represents over 420 wholesale companies, nearly 300 manufacturing associates and nearly 100 manufacturer representatives. With the mission of making wholesale distributors the channel of choice for HVACR manufacturers and contractors. HARDI is now the single marketing and distribution resource devoted to the advancement of the science of distributing HVACR products and supplies.